Answer:the number is 25
Step-by-step explanation:
2a-7=43
Collect like terms
2a=43+7
2a=50
Divide both sides by 2
2a/2=50/2
a=25
Answer:
f(x) =
if x ≤ -3, -2 + 1
if x > 1, 2x - 8
26
Answer: D